Home / 13,039,500.86-17,996,382.45-7,812,715.44

Finding the Fourth Proportional to 13,039,500.86, 17,996,382.45 and 7,812,715.44

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Solution

The fourth proportional to 13,039,500.86, 17,996,382.45 and 7,812,715.44 is: 10,782,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039,500.86 : 17,996,382.45 = 7,812,715.44 : x
  2. Step 2: Convert to fraction form
    13,039,500.86/17,996,382.45 = 7,812,715.44/x
  3. Step 3: Cross multiply
    13,039,500.86x = 17,996,382.45 × 7,812,715.44
  4. Step 4: Simplify right side
    13,039,500.86x = 140,600,615,031,260.03
  5. Step 5: Solve for x
    x = 140,600,615,031,260.03/13,039,500.86
  6. Step 6: Final answer
    x = 10,782,668.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.